chore(internal): update global Error reference

Author: stainless-app[bot]

src/client.ts

@@ -465,7 +465,7 @@ export class NextbillionSDK {
  const response = await this.fetchWithTimeout(url, req, timeout, controller).catch(castToError);
  const headersTime = Date.now();
 
- if (response instanceof Error) {
+ if (response instanceof globalThis.Error) {
  const retryMessage = `retrying, ${retriesRemaining} attempts remaining`;
  if (options.signal?.aborted) {
  throw new Errors.APIUserAbortError();